AI agents can discover services and make payments but how do they know which provider will actually work? That’s the problem we built Sonar to solve. Sonar is an independent reliability and routing layer for x402 agent commerce. Before an agent pays, it can: → Discover compatible services → Compare real pricing and latency → Check reliability and payment-handshake history → Identify outages and price changes → Select a provider using explainable evidence → Apply preflight policies before signing a payment Agents can access Sonar through REST APIs or MCP, while providers can submit their services and earn trust through continuous measurement. Sonar doesn’t hold wallet keys, proxy transactions, or move money. It provides the intelligence an agent needs to choose confidently before it pays. Here’s a quick demo of the platform in action